Cutting fixture for spiral binders and method of manufacture

Details Cutting fixture for spiral binders and method of manufacture Cutting fixture for spiral binders and method of manufacture

1975-08-08

1976-08-03

Larson, Lowell A.

Metal working

Method of mechanical manufacture

Assembling or joining

140 927, 140 9294, 83907, B23P 1100, B21F 3502

Patent

active

039721094

ABSTRACT:
A fixture for cutting and inwardly bending the ends of spiral binders. The fixture comprises a body having parallel sides formed by a milled slot, the lower end of one side having an arcuate inward extension. A cutter pivotally mounted between the body sides has a complementary portion adjacent the curved extension and another portion spaced from the other side. The construction enables the end of a small diameter spiral having a large pitch to be trimmed in a manner which bends the end of the spiral inwardly a sufficient distance to bridge the gap to the next turn, thus preventing snags when books are stacked.

REFERENCES:
patent: 2649120 (1953-08-01), November
patent: 2961012 (1960-11-01), Freundlich

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